ObjFW  Diff

	uint_fast8_t i;

	for (i = 0; i < OF_BACKTRACE_SIZE && _backtrace[i] != NULL; i++) {
# ifdef HAVE_DLADDR
		Dl_info info;

		if (dladdr(_backtrace[i], &info)) {
			OFString *frame;

			if (info.dli_sname != NULL) {
			ptrdiff_t offset = (char*)_backtrace[i] -
			    (char*)info.dli_saddr;
				ptrdiff_t offset = (char*)_backtrace[i] -
				    (char*)info.dli_saddr;

				frame = [OFString stringWithFormat:
				    @"%p <%s+%td> at %s",
			if (info.dli_sname == NULL)
				info.dli_sname = "??";

				    _backtrace[i], info.dli_sname, offset,
				    info.dli_fname];
			} else
			[backtrace addObject:
			    [OFString stringWithFormat: @"%p <%s+%td> at %s",
							_backtrace[i],
							info.dli_sname, offset,
							info.dli_fname]];
				frame = [OFString stringWithFormat:
				    @"%p <?" @"?> at %s",
				    _backtrace[i], info.dli_fname];

			[backtrace addObject: frame];
		} else
# endif
			[backtrace addObject:
			    [OFString stringWithFormat: @"%p", _backtrace[i]]];
	}

	objc_autoreleasePoolPop(pool);